1450021300 has 144 divisors (see below), whose sum is σ = 3923637760. Its totient is φ = 452874240.

The previous prime is 1450021297. The next prime is 1450021319. The reversal of 1450021300 is 31200541.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 717892 + ... + 719908.

Almost surely, 2^1450021300 is an apocalyptic number.

1450021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1450021300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1961818880).

1450021300 is an abundant number, since it is smaller than the sum of its proper divisors (2473616460).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1450021300 is a wasteful number, since it uses less digits than its factorization.

1450021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130 (or 2123 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1450021300 is about 38079.1452109944. The cubic root of 1450021300 is about 1131.8567381037.

Adding to 1450021300 its reverse (31200541), we get a palindrome (1481221841).

The spelling of 1450021300 in words is "one billion, four hundred fifty million, twenty-one thousand, three hundred".